APA-referens (7:e uppl.)

Nague, F. A. (2024). Treatise on improving the professional standards of customs brokers in the Philippines: Approaches based on the WTO trade facilitation agreement (2024 edition.). Central Book Supply.

Chicago-referens (17:e uppl.)

Nague, Ferdinand A. Treatise on Improving the Professional Standards of Customs Brokers in the Philippines: Approaches Based on the WTO Trade Facilitation Agreement. 2024 edition. Quezon City: Central Book Supply, 2024.

MLA-referens (9:e uppl.)

Nague, Ferdinand A. Treatise on Improving the Professional Standards of Customs Brokers in the Philippines: Approaches Based on the WTO Trade Facilitation Agreement. 2024 edition. Central Book Supply, 2024.

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